23938215 has 24 divisors (see below), whose sum is σ = 44555760. Its totient is φ = 10942848.

The previous prime is 23938199. The next prime is 23938217. The reversal of 23938215 is 51283932.

It is not a de Polignac number, because 23938215 - 2⁴ = 23938199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23938217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15550 + ... + 17019.

It is an arithmetic number, because the mean of its divisors is an integer number (1856490).

Almost surely, 2^23938215 is an apocalyptic number.

23938215 is a deficient number, since it is larger than the sum of its proper divisors (20617545).

23938215 is a wasteful number, since it uses less digits than its factorization.

23938215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32591 (or 32584 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 23938215 is about 4892.6695167362. The cubic root of 23938215 is about 288.2021752663.

The spelling of 23938215 in words is "twenty-three million, nine hundred thirty-eight thousand, two hundred fifteen".